High pressure pushed temperatures in the Mojave Desert above locally defined Excessive Heat Warning criteria on the afternoons of June 5th and 6th. One person succumbed to heat-related causes two days later.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS VEF wrote it up.
High pressure pushed temperatures in the Mojave Desert above locally defined Excessive Heat Warning criteria on the afternoons of June 5th and 6th. One person succumbed to heat-related causes two days later.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before the first event at Jun 5, 2:20 PM PST, 40 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
320 PM PDT SAT JUN 5 2010
.SYNOPSIS...THE STRONG AREA OF HIGH PRESSURE PROVIDING HOT AND DRY
CONDITIONS ACROSS THE REGION WILL SLOWLY SHIFT EAST EARLY IN THE
COMING WEEK. AFTERNOON SOUTHWEST WINDS WILL INCREASE MONDAY AND
TUESDAY AHEAD OF A BROAD TROUGH DEVELOPING OVER THE WESTERN STATES
AFTER WEDNESDAY. THIS PATTERN WILL LEAD TO PERSISTENT GUSTY SOUTHWEST
WINDS AND A COOLING TREND THE LATTER PART OF THE WEEK.
&&
.SHORT TERM...THE 22Z SURFACE OBSERVATIONS AROUND THE FORECAST AREA
WERE RUNNING 2-4 DEGREES HIGHER THAN FRIDAY AND THAT IS RIGHT IN
LINE WITH THE FORECAST MAX TEMPS. THE LATEST MODEL SOLUTIONS REMAIN
IN GOOD AGREEMENT WITH THE RIDGE AXIS SHIFTING INTO THE CENTRAL
STATES MONDAY. 500 HPA HEIGHTS DECREASE SLIGHTLY ACROSS THE REGION
TUESDAY AHEAD OF A TROUGH MOVING INTO THE EASTERN PACIFIC.
INCREASING SOUTHWEST WINDS ASSOCIATED WITH THIS TRANSITION WILL KEEP
THE BOUNDARY LAYER WELL MIXED BUT MOS GUIDANCE FORECASTS INDICATE
HIGH TEMPS WILL PROBABLY DIP SLIGHTLY BELOW EXCESSIVE HEAT CRITERIA
TUESDAY.
.LONG TERM...MODELS STILL AGREE THAT TEMPERATURES WILL BE ON THE WAY
DOWN DURING THE EXTENDED PERIOD AS A PACIFIC SYSTEM MOVES INLAND. WE
WILL START FEELING THE EFFECTS OF THIS SYSTEM WEDNESDAY AFTERNOON
WITH AN INCREASE IN AFTERNOON SOUTHWEST WINDS. HEIGHTS WILL LOWER
SLIGHTLY AND TEMPERATURES WILL COOL A FEW DEGREES. ON THURSDAY...THE
LOW WILL MOVE INLAND WITH A CONTINUATION OF LOWERING HEIGHTS AND
ALSO INCREASING THERMAL AND SURFACE PRESSURE GRADIENTS. THIS WILL
LEAD TO BREEZY TO LOCALLY WINDY CONDITIONS ACROSS MUCH OF THE
REGION. MODEL GUIDANCE IS SHOWING TEMPERATURES DROPPING UNDER 100
DEGREES IN LAS VEGAS THURSDAY AFTERNOON. MODELS SHOW SOME
DISAGREEMENT FRIDAY AFTERNOON AS THE 12Z ECMWF HAS CONTINUED TO
TREND DEEPER WITH EACH MODEL RUN NOW PLACES A 558DM LOW CENTER
ACROSS NORTHERN NEVADA FRIDAY EVENING...WHILE THE GFS IS MORE
PROGRESSIVE AND SLIDES THE LOW EAST THROUGH IDAHO. IN EITHER
CASE...LOWERING TEMPERATURES AND CONTINUED BREEZY CONDITIONS
EXPECTED FRIDAY AND SATURDAY.
&&
.AVIATION...FOR MCCARRAN...SOUTHEAST TO SOUTH WINDS EXPECTED THROUGH
03Z WITH WINDS THEN SHIFTING TO THE SOUTHWEST AROUND 8-10KTS
OVERNIGHT. NEARLY THE SAME CONDITIONS EXPECTED SUNDAY WITH MINIMAL
CLOUD COVER.
FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...SOUTHWEST TO WEST WINDS ARE EXPECTED AT 10-15KTS WITH
GUSTS OF 20KTS INTO THIS EVENING...PRIMARILY ACROSS THE MOJAVE
DESERT AND NORTHWEST ARIZONA. NO SIGNIFICANT CLOUDS EXPECTED THROUGH
THE WEEKEND. NEARLY IDENTICAL CONDITIONS EXPECTED SUNDAY.
&&
.CLIMATE...PARTS OF THE MOJAVE DESERT WILL BE NEAR RECORD HIGHS ON
SUNDAY 6/6 AND MONDAY 6/7.
LOCATION SUNDAY MONDAY
--------------------------------------------
LAS VEGAS 108/2002* 108/1955
BARSTOW-DAGGETT 110/1981 112/1985
DEATH VALLEY 121/2002 123/1955
NEEDLES 114/2002 113/2002
*ALSO OCCURRED IN PREVIOUS YEARS.
&&
.VEF WATCHES/WARNINGS/ADVISORIES...
NV...EXCESSIVE HEAT WARNING UNTIL 8 PM PDT MONDAY FOR NVZ016-017-
020>022.
AZ...EXCESSIVE HEAT WARNING UNTIL 8 PM MST MONDAY FOR AZZ002-003-036.
CA...EXCESSIVE HEAT WARNING UNTIL 8 PM PDT MONDAY FOR CAZ522>527.
&&
ADAIR/GORELOW
HTTP://WEATHER.GOV/LASVEGASHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 242 AM PDT SAT JUN 5 2010 AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-060700- LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- 242 AM PDT SAT JUN 5 2010 /242 AM MST SAT JUN 5 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT DANGEROUSLY HOT TEMPERATURES ARE EXPECTED TODAY...AND AN EXCESSIVE HEAT WARNING IS IN EFFECT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE EXCESSIVE HEAT WARNING REMAINS IN EFFECT THROUGH MONDAY AS DANGEROUSLY HOT TEMPERATURES ARE EXPECTED TO CONTINUE. TEMPERATURES WILL BEGIN TO TREND DOWNWARD ON TUESDAY...AND THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW FOR TUESDAY THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER...SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ001-CAZ519>521-NVZ014-015-018-019-060700- NORTHWEST PLATEAU-EASTERN SIERRA SLOPES-OWENS VALLEY- WHITE MOUNTAINS OF INYO COUNTY-ESMERALDA AND CENTRAL NYE COUNTY- LINCOLN COUNTY-SHEEP RANGE-SPRING MOUNTAINS- 242 AM PDT SAT JUN 5 2010 /242 AM MST SAT JUN 5 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT WELL ABOVE NORMAL TEMPERATURES ARE EXPECTED THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY WELL ABOVE NORMAL TEMPERATURES WILL CONTINUE THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED WEDNESDAY THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER...SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MORGAN
The national radar mosaic for the moment the first event began.
1 excessive heat. Local standard time, as filed.
One person died of heat-related causes two days after the excessive heat conditions ended.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Excessive Heat, Las Vegas Valley | 2010-06-08 | 43 | Female | Permanent Home | Direct |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2010Every state in 2010This day in weather historyWarnings in Nevada, June 2010
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 233879.